By contrast, the audience encounters an opera or a play over a specific time, which is the duration of the performance.

相反，观众可以有一段具体的时间来欣赏话剧或者戏剧，这段时间就是表演的持续时间。

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The intriguing prospect that sleep duration may play a role in how much we weigh has researchers busily conducting studies to tease out the potential relationship between shut-eye and BMI.

睡眠时间会影响体重，这个有趣的想法引起研究人员做了很多研究对睡眠和体重之间的关系进行探究。

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So, education accounting should adjust its inner structure, equip up with suitable personnel group so as to play an important role in the duration of the education resources allocation.

因此，教育会计要不断调整内部结构，配备合适的财会队伍，为教育资源的优化配置发挥重要作用。

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In addition, parents can actively monitor their child's online activity, limit play time duration and provide a virtual allowance for purchasing apps via MEEP!

ENGADGET: Oregon Scientific MEEP! tablet ships for $150, gives kids a safe, exclamation-filled place to play

After the game is over, we may sit back and have philosophical discussions about whether the conventions of tennis make sense, or whether other conventions would be preferable, or whether we really enjoy trying to defeat our best friend at tennis, but for the duration of the game, these questions have to be set aside in order to play an excellent game of tennis.

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